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Cyano compounds are a class of organic compounds with great value. Two different kinds of reactions have been reported using acetone cyanohydrin as reagent and substituted 3,5-dimethyl-N-α,β-unsaturated acyl pyrazole as substrate. The reaction pathway depends on the basic catalysts used when aromatic substituted 3,5-dimethyl-N-α,β-unsaturated acyl pyrazole was used as the substrate. Michael addition reaction occurred in the presence of MgBu 2 with the product yield up to 95%, while alcoholysisdoi:10.6023/cjoc202003047 fatcat:mldmfb6nznhklfuozedix5lva4